Method of manufacturing green hot briquettes from fine coal for

Details Method of manufacturing green hot briquettes from fine coal for Method of manufacturing green hot briquettes from fine coal for

1975-01-24

1979-07-03

Bernstein, Hiram H.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

201 22, C21B 500

Patent

active

041599055

ABSTRACT:
A method of manufacturing a briquetted coke from fine coal comprises carbonizing the coal at a temperature of from around 600.degree. to 900.degree. C., mixing the carbonized coal with approximately 10 to 80% and preferably from 20 to 40% of fine coal well caking coal, and thereafter hot briquetting the mixture at temperatures of from around 300.degree. to 500.degree. C. A fuel for shaft furnaces preferably includes the use of the hot briquettes as the only solid fuel in the shaft furnace, and it is particularly applicable for blast furnaces.

REFERENCES:
patent: 3073751 (1963-01-01), Gorin
patent: 3117918 (1964-07-01), Batchelor
patent: 3401089 (1968-09-01), Friedrich
patent: 3475278 (1969-10-01), Peters
patent: 3841849 (1974-10-01), Beckmann

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